9788742 has 16 divisors (see below), whose sum is σ = 21752880. Its totient is φ = 3262896.

The previous prime is 9788717. The next prime is 9788759. The reversal of 9788742 is 2478879.

9788742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90583 + ... + 90690.

It is an arithmetic number, because the mean of its divisors is an integer number (1359555).

Almost surely, 2^9788742 is an apocalyptic number.

9788742 is an abundant number, since it is smaller than the sum of its proper divisors (11964138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9788742 is a wasteful number, since it uses less digits than its factorization.

9788742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181284 (or 181278 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 9788742 is about 3128.6965337022. The cubic root of 9788742 is about 213.9155196866.

The spelling of 9788742 in words is "nine million, seven hundred eighty-eight thousand, seven hundred forty-two".